22335021225 has 72 divisors (see below), whose sum is σ = 43704827712. Its totient is φ = 10813334400.

The previous prime is 22335021221. The next prime is 22335021239. The reversal of 22335021225 is 52212053322.

22335021225 is a `hidden beast` number, since 2 + 2 + 33 + 502 + 122 + 5 = 666.

It is not a de Polignac number, because 22335021225 - 2² = 22335021221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22335021221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1793119 + ... + 1805531.

It is an arithmetic number, because the mean of its divisors is an integer number (607011496).

Almost surely, 2^22335021225 is an apocalyptic number.

22335021225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22335021225 is a deficient number, since it is larger than the sum of its proper divisors (21369806487).

22335021225 is a wasteful number, since it uses less digits than its factorization.

22335021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13167 (or 13159 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 22335021225 its reverse (52212053322), we get a palindrome (74547074547).

The spelling of 22335021225 in words is "twenty-two billion, three hundred thirty-five million, twenty-one thousand, two hundred twenty-five".